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polymorphous light eruption |
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polymorphous light eruption, a common recurrent superficial vascular reaction to sunlight or ultraviolet light in susceptible individuals. Within 1 to 4 days after exposure to the light, small erythematous papules and vesicles appear on otherwise normal skin, then disappear within 2 weeks. A delayed allergic response is a possible cause. Tanning reduces the severity of the reaction. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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